[ARM] 5298/1: Drop desc_handle_irq()

desc_handle_irq() was declared as obsolete since long ago.
Replace it with generic_handle_irq()

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-s3c2440/irq.c b/arch/arm/mach-s3c2440/irq.c
index 276b823..ad68b4d 100644
--- a/arch/arm/mach-s3c2440/irq.c
+++ b/arch/arm/mach-s3c2440/irq.c
@@ -44,7 +44,6 @@
 				  struct irq_desc *desc)
 {
 	unsigned int subsrc, submsk;
-	struct irq_desc *mydesc;
 
 	/* read the current pending interrupts, and the mask
 	 * for what it is available */
@@ -58,12 +57,10 @@
 
 	if (subsrc != 0) {
 		if (subsrc & 1) {
-			mydesc = irq_desc + IRQ_S3C2440_WDT;
-			desc_handle_irq(IRQ_S3C2440_WDT, mydesc);
+			generic_handle_irq(IRQ_S3C2440_WDT);
 		}
 		if (subsrc & 2) {
-			mydesc = irq_desc + IRQ_S3C2440_AC97;
-			desc_handle_irq(IRQ_S3C2440_AC97, mydesc);
+			generic_handle_irq(IRQ_S3C2440_AC97);
 		}
 	}
 }